REFRIGERATOR: Depending on the age of your refrigerator you could be spending more for electricity than you need to.
冰箱 :冰箱使用的越久,越有可能超支用电。
Power stations were being built and cables being laid in all of the United States’ major cities; the age of electricity had dawned.
在美国的主要城市,都在兴建电厂,铺设缆线;电气时代业已到来。
For example, during the past 50 years, we came through the age of electricity and stepped into the era of information.
比如,在过去50年里,我们经历了电力时代,进入了信息时代。
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